﻿using System.Runtime.InteropServices;
using System.Windows.Forms;
using EnvDTE;
using Microsoft.VisualStudio.Shell;

namespace Lexware.Tools.ProjectPropertyOverview
{
    /// <summary>
    /// This class implements the tool window exposed by this package and hosts a user control.
    ///
    /// In Visual Studio tool windows are composed of a frame (implemented by the shell) and a pane, 
    /// usually implemented by the package implementer.
    ///
    /// This class derives from the ToolWindowPane class provided from the MPF in order to use its 
    /// implementation of the IVsUIElementPane interface.
    /// </summary>
    [Guid("a65cbe7a-934a-428c-8065-38fad7a9a8df")]
    public class ProjectPropertiesToolWindow : ToolWindowPane
    {
        #region Fields

        private ToolWindowControl _toolWindowControl;
        private WindowEvents _windowEvents;
        private DTE _dte;


        #endregion

        /// <summary>
        /// Standard constructor for the tool window.
        /// </summary>
        public ProjectPropertiesToolWindow() :
            base(null)
        {
            // Set the window title reading it from the resources.
            Caption = "Project Property Overview";
            // Set the image that will appear on the tab of the window frame
            // when docked with an other window
            // The resource ID correspond to the one defined in the resx file
            // while the Index is the offset in the bitmap strip. Each image in
            // the strip being 16x16.
            BitmapResourceID = 301;
            BitmapIndex = 1;

            // This is the user control hosted by the tool window; Note that, even if this class implements IDisposable,
            // we are not calling Dispose on this object. This is because ToolWindowPane calls Dispose on 
            // the object returned by the Content property.
            //base.Content = new MyControl();
            _toolWindowControl = new ToolWindowControl();
        }

        override public IWin32Window Window
        {
            get { return _toolWindowControl; }
        }

        public override void OnToolWindowCreated()
        {
            _dte = (DTE) GetService(typeof (DTE));
            Events events = _dte.Events;
            _windowEvents = events.WindowEvents[null];
            _windowEvents.WindowActivated += WindowEventsWindowActivated;
            base.OnToolWindowCreated();
        }

        // When ToolWindow gets Focus Update gridview
        private void WindowEventsWindowActivated(Window gotFocus, Window lostFocus)
        {
            _toolWindowControl.GridViewUpdate();
        }


    }
}
